31010093 has 2 divisors, whose sum is σ = 31010094. Its totient is φ = 31010092.

The previous prime is 31010081. The next prime is 31010113. The reversal of 31010093 is 39001013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 10778089 = 4498^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 31010093 - 2¹⁴ = 30993709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31010053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15505046 + 15505047.

It is an arithmetic number, because the mean of its divisors is an integer number (15505047).

Almost surely, 2^31010093 is an apocalyptic number.

It is an amenable number.

31010093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31010093 is an equidigital number, since it uses as much as digits as its factorization.

31010093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 31010093 is about 5568.6706672239. The cubic root of 31010093 is about 314.1721539645.

The spelling of 31010093 in words is "thirty-one million, ten thousand, ninety-three".